/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "hx711.h"
#include "lcd.h"
#include "ST7735S.h"
#include <stdio.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
uint8_t weight_mode_Flag;
uint8_t Hold_Flag;
uint32_t Hold_Count;
extern uint32_t weight_first;
extern uint32_t weight_real;
uint32_t Weight;
//uint32_t Last_Weight;
uint32_t Hold_Weight;
uint32_t MAX_Weight;
uint32_t AVG_Weight[];
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_SPI1_Init();
  MX_TIM12_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
  LCD_Init();
  LCD_Fill(0, 0, 128, 128, WHITE);
  weight_first=HX711_Read_Data();
  HAL_Delay(200);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
	weight_mode_Flag=1;
	Weight = WeightReal();
	LCD_ShowString(0, 0, "G:", RED, WHITE, 32, 0);
	LCD_ShowIntNum(30, 0,Weight , 4, BLUE, WHITE, 32);
	LCD_ShowString(100, 0, "g", RED, WHITE, 32, 0);
	LCD_ShowString(20, 110, "s", RED, WHITE, 16, 0);
	LCD_ShowString(85, 100, "Back", BLACK, WHITE, 16, 0);
	for(uint8_t i=1;i<3;i++)
	{
		LCD_DrawRectangle(82-i, 96-i, 123-i, 123-i, RED);
	}
	if(Weight == WeightReal())
	{
		Hold_Weight = WeightReal();
		if(Hold_Weight == WeightReal() && Hold_Weight != 0)
		{
			Hold_Flag=0;
			HAL_TIM_Base_Start_IT(&htim12);
			LCD_ShowIntNum(0, 110, Hold_Count, 2, RED, WHITE, 16);
			LCD_ShowString(0, 90, "Hold", GREEN, WHITE, 16, 0);
		}
		else
		{
			HAL_TIM_Base_Stop_IT(&htim12);
			LCD_ShowString(0, 90, "Hold", RED, WHITE, 16, 0);
			LCD_ShowIntNum(0, 110, Hold_Count, 2, RED, WHITE, 16);
			Hold_Count=0;
		}
	}

	if(WeightReal() > MAX_Weight)
	{
		MAX_Weight=WeightReal();
		if(MAX_Weight>=5000){MAX_Weight=0;};
	}
	LCD_ShowString(0, 40, "M:", RED, WHITE, 32, 0);
	LCD_ShowIntNum(30, 40,MAX_Weight , 4, BLUE, WHITE, 32);
	LCD_ShowString(100, 40, "g", RED, WHITE, 32, 0);

    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 4;
  RCC_OscInitStruct.PLL.PLLN = 168;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
	if(htim==&htim12)
	{
		Hold_Count++;
		Hold_Count%=100;
	}
}

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
	if(GPIO_Pin==Key1_Pin && weight_mode_Flag==1)
	{
		MAX_Weight=0;
	}
	if(GPIO_Pin==Key2_Pin && weight_mode_Flag==1)
	{
		MAX_Weight=0;
	}
}

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
